678501740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4846441}}^1$

素因数の和:4846457

約数の個数: 24

約数和(自身を含む): 1628404512

約数和(自身を除く): 949902772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4846441, 9692882, 19385764, 24232205, 33925087, 48464410, 67850174, 96928820, 135700348, 169625435, 339250870, 678501740]

約数ペア:

[(1, 678501740), (2, 339250870), (4, 169625435), (5, 135700348), (7, 96928820), (10, 67850174), (14, 48464410), (20, 33925087), (28, 24232205), (35, 19385764), (70, 9692882), (140, 4846441)]